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A3784 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The BOOT,VEHICULAR COMPONENTS is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, overall_height: 7.000 INCHES NOMINAL IN, inside_diameter: 0.562 INCHES NOMINAL IN, outside_diameter: 4.500 INCHES NOMINAL IN, special_features: BOOT VEHICULAR COMPONENTS, vehicle_design_control_activity: 23040. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-707-7989, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
A3784
NSN: 4720-00-707-7989
FSC: 4720
CAGE: 98441 — PARKER HANNIFIN CORP DBA PNEUTRONICS DIV STRATOFLEX PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
overall_height7.000 INCHES NOMINAL IN
inside_diameter0.562 INCHES NOMINAL IN
outside_diameter4.500 INCHES NOMINAL IN
special_featuresBOOT VEHICULAR COMPONENTS
vehicle_design_control_activity23040
NSN4720-00-707-7989
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: A3784 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
GPW1101735Interchangeable
interchangeable cross-reference
interchangeable
7371904Interchangeable
interchangeable cross-reference
interchangeable
A3784Interchangeable
interchangeable cross-reference
interchangeable
GPW1101735AInterchangeable
interchangeable cross-reference
interchangeable
666611Interchangeable
interchangeable cross-reference
interchangeable
7374071Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A3784?
A3784 is a BOOT,VEHICULAR COMPONENTS.
What parts can replace A3784?
There are 12 known substitutes for A3784: GPW1101735, 7371904, A3784 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A3784?
A3784 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-707-7989. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026